Home › Evil Mad Scientist Forums › AxiDraw › Pen Up / Pen Down › Re: Pen Up / Pen Down
February 6, 2017 at 10:28 pm
#22832
Windell Oskay
Keymaster
Yes, the 5 V center pin is there to provide power to the servo motor, which does require 5 V. The signal pin is a “3.3 V” logic signal.